中文摘要：

高温超导电缆输电技术作为一种新型电力传输技术，已成为当前电力传输技术的重要发展方向之一．当高温超导电缆运行在电力系统中时，必将经受诸如系统短路故障电流、瞬时大负荷冲击等各种故障电流冲击，高温超导电缆的传输能量较高，一旦发生故障，不仅会对高温超导电缆本体造成损伤，还会严重影响其供电可靠性乃至整个电力系统的稳定性．为保证电力传输系统的安全稳定运行，对超导电缆失超的热过程进行研究是非常有必要的．本文首先介绍了超导电缆失超的暂态热过程数学模型，接着确定了其边界条件，最后在Matlab中，对超导电缆在电流冲击下的热过程进行了仿真研究．

英文摘要：

As a new power transmission technology, transmitting electricity with HTS cables has been one of the most important power transmission technologies. While running in the power system, HTS cables must be subjected to impact of various fault currents such as system short-circuit currents and transient heavy-loaded impact, etc. Due to the large power capacity of HTS cables, fault currents may not only damage the cable bodies but also seriously af- fect the reliability of power supply and even the stability of the whole power system. Therefore, to ensure the power transmission system in safe and reliable operation, especially under the impact of system fault conditions, it is very necessary for the analysis of temperature dependent quench of HTS. This paper firstly describes the mathematical model of transient process of the temperature dependent quench of HTS cable. Then, the boundary condition is dis- cussed and determined. In the last, by employing Matlab, the over-current impact transient process temperature is simulated.